GM appears to be los­ing patience with the strike at Amer­i­can Axle. The automak­er moved a small but impor­tant parts con­tract to American’s archri­val Dana. The con­tract cov­ers just 30,000 prop shafts but sig­nals that GM is con­cerned about American’s inabil­i­ty to end the strike that is hurt­ing GM’s pro­duc­tion.